Sabrent EC-ESU4S eSATA/USB 2.0 to Serial ATA 3.5-inch Hard Drive Enclosure (Silver) Hard drive enclosure converts 3.5-inch drive into an external USB 2.0 or eSATA storage device Durable, aluminum enclosure specially designed for your 3.5-inch SATA or SATA II hard drive Equipped with LEDs that indicate Power and Action status at a glance Includes enclosure, power supply, power cord, USB 2.0 cable, driver disk, and user manual USB transfer rate is approximately 480 Mbps; eSATA transfer rate is 3000 Mbps